/Engine/Source/Editor/MaterialEditor/Public/MaterialPropertyHelpers.h
static [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > MakeStackReorderHandle ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< SMaterialLayersFunctionsInstanceTreeItem > InOwningStack )